* {
    margin: 0;
    padding: 0;
    font-family: '微软雅黑', 'Microsoft YaHei';
  }
  .left {
    float: left;
  }
  .right {
    float: right;
  }
  .clearfix:after {
    content: '';
    height: 0;
    line-height: 0;
    display: block;
    visibility: hidden;
    clear: both;
  }
  .clearfix {
    zoom: 1;
  }
  body {
    font-size: 14px;
    font-family: ' 微软雅黑';
    color: #666666;
  }
  ul,
  li {
    list-style: none;
  }
  a {
    text-decoration: none;
    color: #fff;
  }
  input,
  button {
    list-style-type: none;
    border: 0px;
    outline: none;
  }
  .block {
    display: block;
  }
  /*帮助入口样式*/
  .helpIcon {
    background: url('./images/help/helpIcon.png') no-repeat 1px;
    padding-left: 25px;
    color: #368bca;
    margin: 20px 20px 0 0;
  }
  /*帮助页面样式*/
  .help_wrap {
    background: #eeeeee;
  }
  .help_wrap .content {
    width: 928px;
    /*min-height: 835px;*/
    margin: 20px auto;
  }
  .help_left {
    width: 200px;
    min-height: 580px;
    background: #fafafa;
    overflow-y: auto;
  }
  .help_right {
    width: 76%;
    /*height: 835px;*/
    background: #fdfdfd;
    overflow: auto;
  }
  /*左侧菜单样式*/
  .help_wrap .nav_top {
    width: 100%;
    height: 95px;
    background: #829ac2;
    text-align: center;
    line-height: 95px;
  }
  .nav_top a {
    display: inline-block;
    height: 50px;
    line-height: 50px;
    background: url('./images/help/navTop.png') no-repeat;
    padding-left: 60px;
    font-size: 28px;
    font-weight: bold;
    color: #d3dae8;
  }
  .help_wrap .nav {
    margin: 20px;
    color: #666666;
  }
  .nav p.file_open {
    cursor: pointer;
    background: url('./images/help/minus.png') 0px 12px no-repeat;
    font-size: 16px;
    padding: 8px 0px 8px 27px;
  }
  
  .nav p.file_close {
    cursor: pointer;
    background: url('./images/help/plus.png') 0 12px no-repeat;
    font-size: 16px;
    padding: 8px 0px 8px 27px;
  }
  
  .nav ul {
    padding-left: 28px;
    display: none;
  }
  .nav ul li {
    padding: 8px 0;
    /*line-height: 35px;*/
    cursor: pointer;
  }
  .has_choice {
    color: #246fde;
  }
  /*右侧内容样式*/
  .help_right .con {
    margin: 40px 30px;
    display: none;
  }
  .help_right .con .title {
    text-align: center;
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 30px;
  }
  .help_right .con .text_wrap > p {
    text-indent: 2em;
    line-height: 25px;
  }
  .help_right .con .text_wrap .img_wrap {
    text-align: center;
    margin: 20px 0;
  }
  .help_right .con .text_wrap .img_wrap img {
    max-width: 645px;
    /*max-height: 318px;*/
  }
  /*问卷样式*/
  .ti_wrap {
    padding: 0 25px;
    margin-bottom: 23px;
  }
  .ti_wrap .problem {
    color: #246fde;
    line-height: 25px;
  }
  .ti_wrap .answer p {
    line-height: 25px;
  }
  .ti_wrap .answer p.indent {
    text-indent: 2em;
  }
  .ti_wrap .answer table {
    margin: 15px auto;
    border-top: 2px solid #505050;
    border-bottom: 2px solid #505050;
  }
  .ti_wrap .answer table th {
    border-bottom: 1px solid #505050;
  }
  .ti_wrap .answer table td,
  .ti_wrap .answer table th {
    line-height: 25px;
    text-align: center;
  }
  .ti_wrap .answer table td.even,
  .ti_wrap .answer table th.even {
    border-left: 1px solid #505050;
  }
  